The seahorse is the only fish to have a neck.
12
Sharks, like other fish, have their reproductive organs in their chests.
248
Moths are unable to fly during an earthquake.
328
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
Crows living in some urban areas drop nuts into traffic to let the passing cars crush them, then they wait for the red lights to stop the traffic so they can grab and eat it.
17
The head of a jellyfish is called the "Bell."
6
Tigers can see 6 times better at night than humans.
305
In 1955, the citizens of São Paulo were so upset with their government that they elected a rhinoceros named Cacareco (meaning rubbish) to the city council in protest, with over 100,000 votes.
18